Specific code 2014 ICD-9-CM Diagnosis Code 245.1
Subacute thyroiditis
  • Billable Code
  • ICD-9-CM 245.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 245.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Thyroiditis, subacute
Clinical Information
  • Self-limited inflammation of the thyroid gland characterized by the presence of multinucleated giant cells. Patients present with neck pain, often associated with fever and dysphagia. The clinical course includes an initial phase of hyperthyroidism, followed by a phase of hypothyroidism, and eventually a return to normal thyroid function.
  • Spontaneously remitting inflammatory condition of the thyroid gland, characterized by fever; muscle weakness; sore throat; severe thyroid pain; and an enlarged damaged gland containing giant cells. The disease frequently follows a viral infection.
Applies To
  • Thyroiditis:
    • de Quervain's
    • giant cell
    • granulomatous
    • viral
Convert to ICD-10-CM: 245.1 converts directly to:
  • 2014 ICD-10-CM E06.1 Subacute thyroiditis
ICD-9-CM Volume 2 Index entries containing back-references to 245.1:
  • de Quervain's
    • thyroiditis (subacute granulomatous thyroiditis) 245.1
  • Disease, diseased - see also Syndrome
    • de Quervain's (tendon sheath) 727.04
      • thyroid (subacute granulomatous thyroiditis) 245.1
    • Quervain's
      • tendon sheath 727.04
      • thyroid (subacute granulomatous thyroiditis) 245.1
  • Quervain's disease 727.04
    • thyroid (subacute granulomatous thyroiditis) 245.1
  • Thyroiditis 245.9
    • de Quervain's (subacute granulomatous) 245.1
    • giant (cell) (follicular) 245.1
    • granulomatous (de Quervain's) (subacute) 245.1
    • pseudotuberculous 245.1
    • subacute 245.1
    • viral 245.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 245.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.